How do you verify identities

How do you verify identities

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

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The video tutorial explains how to verify trigonometric identities by equating both sides of an equation. It provides tips for simplifying complex expressions, applying algebraic operations, and using fundamental identities like Pythagorean and reciprocal identities. The tutorial emphasizes the importance of converting functions to sines and cosines for simplification and encourages a trial-and-error approach to improve problem-solving skills.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal when verifying trigonometric identities?

To find the value of the variable

To simplify both sides of the equation to be equal

To solve for theta

To expand trigonometric functions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When starting to verify an identity, which side should you begin with?

The right side

The side with the most complex expression

The side with the simplest expression

The left side

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is NOT typically used to simplify trigonometric identities?

Addition

Subtraction

Integration

Multiplication

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which identity should you consider when you see sine squared or cosine squared?

Cofunction identities

Quotient identities

Reciprocal identities

Pythagorean identities

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you encounter a lot of cosecants or tangents in an identity?

Expand them into polynomials

Use only Pythagorean identities

Convert them to their reciprocal functions

Ignore them

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a useful strategy if you are stuck while verifying an identity?

Ignore the complicated side

Use only reciprocal identities

Convert all functions to sines and cosines

Start with the simplest side

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is trial and error important in verifying identities?

It allows you to find the quickest solution

It helps in memorizing identities

It is the only way to verify identities

It helps in understanding different solving methods